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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <private/polarchartvalueaxisangular_p.h>
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#include <private/chartpresenter_p.h>
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#include <private/abstractchartlayout_p.h>
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QT_CHARTS_BEGIN_NAMESPACE
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PolarChartValueAxisAngular::PolarChartValueAxisAngular(QValueAxis *axis, QGraphicsItem *item)
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: PolarChartAxisAngular(axis, item)
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{
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QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));
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QObject::connect(axis, SIGNAL(minorTickCountChanged(int)),
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this, SLOT(handleMinorTickCountChanged(int)));
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QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
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}
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PolarChartValueAxisAngular::~PolarChartValueAxisAngular()
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{
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}
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QVector<qreal> PolarChartValueAxisAngular::calculateLayout() const
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{
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int tickCount = static_cast<QValueAxis *>(axis())->tickCount();
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Q_ASSERT(tickCount >= 2);
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QVector<qreal> points;
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points.resize(tickCount);
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const qreal d = 360.0 / qreal(tickCount - 1);
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for (int i = 0; i < tickCount; ++i) {
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qreal angularCoordinate = qreal(i) * d;
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points[i] = angularCoordinate;
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}
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return points;
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}
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void PolarChartValueAxisAngular::createAxisLabels(const QVector<qreal> &layout)
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{
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QStringList labelList = createValueLabels(min(), max(), layout.size(), static_cast<QValueAxis *>(axis())->labelFormat());
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setLabels(labelList);
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}
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void PolarChartValueAxisAngular::handleTickCountChanged(int tick)
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{
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Q_UNUSED(tick);
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QGraphicsLayoutItem::updateGeometry();
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if (presenter())
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presenter()->layout()->invalidate();
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}
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void PolarChartValueAxisAngular::handleMinorTickCountChanged(int tick)
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{
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Q_UNUSED(tick);
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QGraphicsLayoutItem::updateGeometry();
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if (presenter())
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presenter()->layout()->invalidate();
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}
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void PolarChartValueAxisAngular::handleLabelFormatChanged(const QString &format)
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{
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Q_UNUSED(format);
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QGraphicsLayoutItem::updateGeometry();
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if (presenter())
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presenter()->layout()->invalidate();
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}
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#include "moc_polarchartvalueaxisangular_p.cpp"
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QT_CHARTS_END_NAMESPACE
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